Pihu and Rani start a business together by investing Rs. 9000 and Rs. 6300 respectively. After a certain period, Pihu withdrew from the business completely. If at the end of 2 yrs the total profit earned was Rs. 13,050 and Pihu's share was Rs. 6,750, after how many months did Pihu withdraw from business?
Jar A contains 'x' ml of pure milk only. A 27 ml mixture of milk and water in the respective ratio of 4 : 5, is added to jar A. The new mixture thus formed in jar A contains 70% milk, what is the value of x?